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KPM10 Three phase multifunction digital power meter
KPM10 Three phase multifunction digital power meter
KPM10 three-phase multifunction digital power meter was designed using advanced 32-bit ARM processor and digital signal processing technology. Intergate of three-phase electrical parameter measurement / display, power accumulation, fault alarm, harmonic measurement, digital inputs, relays Output and network communications in one. Standard 72 panel, large screen LCD screen, standard 1-way RS485 communication interface. With high precision, strong isolation, stable performance, anti-interference ability etc.
Function
Specification
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Function
- Three phase panel digital power meter
- Full electrical parameter measurement: UL-L, UL-N, I, F, PF, P, Q, S, four-quadrant energy, etc.
- High accuracy: U Class 0.2; I Class 0.2
- High accuracy: P Class 0.2S; Active energy Class 0.5S
- Power quality analysis: 2-21st harmonic analysis; I/U Total distortion rate;
- Power quality analysis: Crest coefficient; Valley coefficient;
- Power quality analysis: Current imbalance rate Yi；Voltage imbalance rate Yv
- Record function: Meter working time, load time statics
- Communication:RS485/Modbus-RTU
- Multi rate: Total 4 tariffs for 8 different time slots
- Optional function: 2 digital inputs
- Optional function: 2 digital outputs
Specification
|
Working power source |
Operating Voltage |
AC 85-265V/ DC 80-300V |
|
Rated power consumption |
< 3VA |
|
|
Input voltage |
Rated voltage |
57.7/100V,220/380V |
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Overvoltage capability |
1.2 times rated voltage allowed, continuous work; 2 times the rated voltage allowed 10s |
|
|
Rated power consumption |
<0.5VA(per phase) |
|
|
Measurement range |
LN：50~260VAC |
|
|
Input current |
Rated current |
Default 5A, input range 1-6A; optional 1A, input range 1-1.2A |
|
Overload capacity |
1.2 times rated current allowed, continuous work; 20 times the rated current allowed 1s |
|
|
Rated power consumption |
＜0.75VA/phase(5A); ＜0.45VA/phase(1A) |
|
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Measurement range |
5A：0~6A； 1A：0~1.2A |
|
|
Power quality monitor |
Harmonic measurement |
Voltage/current 2-21st harmonic distortion rate, |
|
Harmonic distortion rate |
Phase voltage, phase current |
|
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Imbalance rate |
Voltage, current |
|
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Measurement accuracy |
Voltage |
±0.2%（0.01V） |
|
Current |
±0.2%（0.01A） |
|
|
Active power |
±0.5%（0.01W） |
|
|
Reactive power |
±2.0%（0.01var） |
|
|
Power factor |
±0.5%（0.01） |
|
|
Frequency |
±0.02(0.01Hz) |
|
|
Active energy |
±0.5S（0.1kwh） |
|
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Reactive energy |
±2.0%（0.1kvarh） |
|
|
Communication |
communication port |
RS485，Photoelectric isolation interface |
|
Communication protocol |
Modbus-RTU, 1200-38400BPS |
|
|
DI & DO |
Switch value input |
2-way passive main line contact DI input, internal supply DC24V power supply |
|
Relay output |
2-Way DO output, contact capacity 250VAC / 5A, 30VDC / 5A |
|
|
Working environment |
Operating temperature |
-25℃ ~ +70℃ |
|
Storage temperature |
-30℃ ~ +75℃ |
|
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Relative humidity |
5% ~ 95% No condensation |
|
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Altitude |
Not more than 4000m |
|
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Electrical insulation |
Dielectric strength |
Power frequency voltage AC 2kV, working time 1 min |
|
Insulation resistance |
＞50MΩ |
|
|
Impact voltage |
5kV (Peak),1.2/50us |
|
|
Electromagnetic Compatibility |
Electrostatic discharge immunity |
IEC61000-4-3, level 4 |
|
Fast pulse group immunity |
IEC61000-4-4, level 4 |
|
|
Surge immunity |
IEC61000-4-5, level 4 |
|
|
Power frequency magnetic field immunity |
IEC61000-4-8, level 4 |
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